About RentCalc

Our Mission

RentCalc exists to make rent calculations accessible, fast, and free for everyone. Whether you're a tenant searching for an affordable apartment or a landlord managing day-to-day property operations, RentCalc provides instant, accurate answers to your rental questions.

Built for Real People

We designed RentCalc specifically for the everyday rental situations you face:

  • For Tenants: Check if you can afford rent, split costs with roommates fairly, and understand your rights
  • For Landlords: Calculate prorated rent, plan increases, and screen tenants professionally
  • For Everyone: No investment jargon, no complex forms—just instant answers

Need deeper property forecasts? Pair RentCalc with RentWise to stress-test rental ROI while keeping comparisons grounded in real numbers.

Why RentCalc?

100% Private

All calculations happen in your browser. Your financial data never leaves your device.

Always Free

No signup, no subscription, no hidden fees. Free forever.

Lightning Fast

Instant results as you type. No waiting, no loading screens.

Mobile First

Perfect for apartment hunting on your phone. Works offline as a PWA.

Our Calculators

RentCalc offers six specialized calculators designed for real-world rental situations:

  • Rent Affordability: Determine maximum affordable rent using the 30% rule
  • Prorated Rent: Calculate fair rent for mid-month moves with visual calendar
  • Roommate Split: Divide rent fairly based on room sizes and features
  • Rent Increase: Plan increases with rent control compliance checking
  • 30% Rule Checker: Quick pass/fail verification for tenant screening
  • Income-to-Rent Ratio: Verify 3x income requirement for qualification

Privacy Commitment

Your privacy is our priority. RentCalc:

  • Doesn't collect personal information
  • Doesn't use tracking cookies or analytics
  • Doesn't store your calculations on our servers
  • Stores history locally in your browser (optional)

Read our full Privacy Policy.

Disclaimer

RentCalc provides calculations for educational and informational purposes only. Results are estimates and should not be considered financial or legal advice. Rent control laws and tenant rights vary by location—consult local regulations and legal professionals for important decisions.

Get Started

Ready to calculate? Choose a calculator and get instant results:

View All Calculators

While you fine-tune rent decisions, accelerate debt payoff with PaydownWise so your housing budget and financial goals stay in sync.

Looking for more tools? We're part of a network of free, privacy-focused online tools.

Check out RentWise — Professional real estate investment analysis platform — and explore the rest of our partner tools for more ways to simplify paperwork.